<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="代码" prop="code">
        <el-input v-model="queryParams.code" placeholder="请输入代码" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="名称" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['building:rubbishType:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="info" plain icon="el-icon-sort" size="mini" @click="toggleExpandAll">展开/折叠</el-button>
      </el-col>
    </el-row>

    <el-table v-if="refreshTable" v-loading="loading" :data="rubbishTypeList" row-key="id"
      :default-expand-all="isExpandAll" :tree-props="{ children: 'children', hasChildren: 'hasChildren' }">
      <el-table-column label="名称" align="center" prop="name" />
      <el-table-column label="代码" align="center" prop="code" />
      <el-table-column label="描述" align="center" prop="description" />
      <el-table-column label="排序索引" align="center" prop="sortIndex" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['building:rubbishType:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-plus" @click="handleAdd(scope.row)"
            v-hasPermi="['building:rubbishType:add']">新增
          </el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['building:rubbishType:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>


    <!-- 添加或修改建筑物类型对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="上级节点" prop="parentId">
          <treeselect v-model="form.parentId" :options="rubbishTypeOptions" :normalizer="normalizer"
            placeholder="选择上级节点" />
        </el-form-item>
        <el-form-item label="名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入名称" />
        </el-form-item>
        <el-form-item label="代码" prop="code">
          <el-input v-model="form.code" placeholder="请输入代码" />
        </el-form-item>
        <el-form-item label="描述" prop="description">
          <el-input v-model="form.description" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="排序索引" prop="sortIndex">
          <el-input-number v-model="form.sortIndex" placeholder="请输入排序索引" />
        </el-form-item>
        <el-form-item label="叶子节点" prop="leaf">
          <el-select v-model="form.leaf" placeholder="请选择是否叶子节点">
            <el-option v-for="dict in dict.type.sys_valid" :key="dict.value" :label="dict.label" :value="dict.value" />
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listRubbishType, listRubbishTypeExcludeChild, getRubbishType, delRubbishType, addRubbishType, updateRubbishType } from "@/api/building/rubbishType";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
  name: "RubbishType",
  components: { Treeselect },
  dicts: ['sys_valid'],
  data () {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 垃圾类型表格数据
      rubbishTypeList: [],
      // 树选项
      rubbishTypeOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        current: 1,
        size: 10,
        leaf: null,
        tnIdx: null,
        code: null,
        description: null,
        name: null,
        sortIndex: null,
        ParentId: null
      },
      // 是否展开，默认全部展开
      isExpandAll: true,
      // 重新渲染表格状态
      refreshTable: true,
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: "名称不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created () {
    this.getList();
  },
  methods: {
    /** 查询垃圾类型列表 */
    getList () {
      this.loading = true;
      listRubbishType(this.queryParams).then(response => {
        this.rubbishTypeList = this.handleTree(response.data, "id");
        this.loading = false;
      });
    },
    // 取消按钮
    cancel () {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset () {
      this.form = {
        id: null,
        leaf: null,
        tnIdx: null,
        code: null,
        description: null,
        name: null,
        sortIndex: null,
        ParentId: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery () {
      this.queryParams.current = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery () {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange (selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd (row) {
      this.reset();
      if (row != undefined) {
        this.form.parentId = row.id;
      }
      this.open = true;
      this.title = "添加垃圾类型";
      listRubbishType().then(response => {
        this.rubbishTypeOptions = this.handleTree(response.data, "id");
      });
    },
    /** 展开/折叠操作 */
    toggleExpandAll () {
      this.refreshTable = false;
      this.isExpandAll = !this.isExpandAll;
      this.$nextTick(() => {
        this.refreshTable = true;
      });
    },
    /** 转换部门数据结构 */
    normalizer (node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.id,
        label: node.name,
        children: node.children
      };
    },
    /** 修改按钮操作 */
    handleUpdate (row) {
      this.reset();
      const id = row.id || this.ids
      getRubbishType(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改垃圾类型";
      });
      listRubbishTypeExcludeChild(row.id).then(response => {
        this.rubbishTypeOptions = this.handleTree(response.data, "id");
        if (this.rubbishTypeOptions.length == 0) {
          const noResultsOptions = { id: this.form.parentId, name: this.form.parentName, children: [] };
          this.rubbishTypeOptions.push(noResultsOptions);
        }
      });
    },
    /** 提交按钮 */
    submitForm () {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateRubbishType(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addRubbishType(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete (row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除选中的数据项？').then(function () {
        return delRubbishType(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    /** 导出按钮操作 */
    handleExport () {
      this.download('building/rubbishType/export', {
        ...this.queryParams
      }, `rubbishType_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
